Beginning iPhone Development with SwiftUI: Exploring the iOS SDK

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

W. WangBeginning iPhone Development with SwiftUIhttps://doi.org/10.1007/978-1-4842-7818-5_9

9. Limiting Choices with Toggles, Steppers, and Sliders

Wally Wang¹  

(1)

San Diego, CA, USA

 

Ideally, you want to limit the user to select only valid options. That keeps the user from entering invalid data such as spelling out a number (such as thirty-seven) instead of typing out the number (37). Three additional ways to restrict the user into selecting only valid data are toggles, steppers, and sliders.

A Toggle gives users exactly two choices such as on or off, yes or no, true or false. Because a Toggle only offers two choices, it represents a Boolean value (true or ...